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Osmosis and Water Concentration Quiz

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Questions and Answers

Define osmosis.

Osmosis is the net movement of water molecules across a partially permeable membrane from an area of higher water concentration to an area of lower water concentration.

What does water concentration refer to?

Water concentration refers to the amount of water compared to solutes (dissolved molecules) in a solution.

Explain how adding solute particles to a beaker affects water concentration.

Adding solute particles to a beaker decreases the water concentration in that beaker.

Why does water move into a cell via osmosis?

The inside of a cell has a higher solute concentration and lower water concentration than the surrounding extracellular fluid, causing water to move into the cell. Signup and view all the answers

What determines water concentration in a solution?

Water concentration is determined by the proportion of water to solutes in a solution. Signup and view all the answers

Describe the water movement in a cell in terms of solute and water concentration.

The inside of a cell has a higher solute concentration and lower water concentration compared to the outside, leading to water moving into the cell via osmosis. Signup and view all the answers

Explain the direction of water movement in osmosis.

Water moves from an area of higher water concentration to an area of lower water concentration through a semi-permeable membrane. Signup and view all the answers

What type of diffusion is osmosis?

Simple diffusion (A) Signup and view all the answers

How does adding solute particles to a beaker affect water concentration?

Decreases water concentration (C) Signup and view all the answers

What happens to the water concentration inside a cell compared to the outside?

It decreases inside a cell (D) Signup and view all the answers

Which solution will have a lower water concentration?

High solute concentration solution (C) Signup and view all the answers

What determines the direction of water movement in osmosis?

Lower solute concentration side (A) Signup and view all the answers

Study Notes

Osmosis is a type of diffusion that involves the net movement of water molecules across a partially permeable membrane from an area of higher water concentration to an area of lower water concentration.
Water concentration refers to the amount of water compared to solutes (dissolved molecules) in a solution.
A solution with more solute molecules (higher solute concentration) has fewer water molecules and thus a lower water concentration.
Adding solute particles to a beaker decreases the water concentration in that beaker.
The inside of a cell, which has a higher solute concentration than the surrounding extracellular fluid, has a lower water concentration, causing water to move into the cell via osmosis.
Osmosis is the movement of water from an area of higher water concentration to an area of lower water concentration through a semi-permeable membrane.
Water concentration is determined by the proportion of water to solutes in a solution.
In a cell, the inside has a higher solute concentration and a lower water concentration compared to the outside, leading to water moving into the cell via osmosis.

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Description

Test your knowledge on osmosis and water concentration with this quiz. Learn about the movement of water molecules across a semi-permeable membrane and how solute concentration influences water concentration in solutions and cells.